131248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:652

約数の個数: 20

約数和(自身を含む): 274288

約数和(自身を除く): 143040

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 631, 1262, 2524, 5048, 8203, 10096, 16406, 32812, 65624, 131248]

約数ペア:

[(1, 131248), (2, 65624), (4, 32812), (8, 16406), (13, 10096), (16, 8203), (26, 5048), (52, 2524), (104, 1262), (208, 631)]